C26800 Brass vs. C71500 Copper-nickel
Both C26800 brass and C71500 copper-nickel are copper alloys. They have 67% of their average alloy composition in common.
For each property being compared, the top bar is C26800 brass and the bottom bar is C71500 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 140 |
| Poisson's Ratio | 0.31 | |
| 0.33 |
| Rockwell B Hardness | 53 to 91 | |
| 40 to 89 |
| Shear Modulus, GPa | 40 | |
| 52 |
| Tensile Strength: Ultimate (UTS), MPa | 310 to 650 | |
| 380 to 620 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 260 |
| Melting Completion (Liquidus), °C | 930 | |
| 1240 |
| Melting Onset (Solidus), °C | 900 | |
| 1170 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 400 |
| Thermal Conductivity, W/m-K | 120 | |
| 28 |
| Thermal Expansion, µm/m-K | 20 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 4.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 30 | |
| 4.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 24 | |
| 41 |
| Calomel Potential, mV | -360 | |
| -250 |
| Density, g/cm3 | 8.1 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 5.1 |
| Embodied Energy, MJ/kg | 45 | |
| 74 |
| Embodied Water, L/kg | 320 | |
| 280 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.2 | |
| 8.6 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 11 to 22 | |
| 12 to 19 |
| Strength to Weight: Bending, points | 13 to 21 | |
| 13 to 18 |
| Thermal Diffusivity, mm2/s | 37 | |
| 7.7 |
| Thermal Shock Resistance, points | 10 to 22 | |
| 12 to 20 |
Alloy Composition
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| Copper (Cu), % | 64 to 68.5 | |
| 63.5 to 70.6 |
| Iron (Fe), % | 0 to 0.050 | |
| 0.4 to 1.0 |
| Lead (Pb), % | 0 to 0.15 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 | |
| 29 to 33 |
| Zinc (Zn), % | 31 to 36 | |
| 0 to 1.0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.5 |